Stefan Storch defeated Sam Ryan Ziegann 7-6 6-4 in the M15 Phan Thiet 2 round of 32 on hard. The upset overturned the form book — Sam Ryan Ziegann came in ranked #820, leading the head-to-head 1–0. Stefan Storch claimed a first win over Sam Ryan Ziegann in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2026-09-03 | M15 Bali | R16 | hard | Sam Ryan Ziegann | 6-4 6-3 |
Averages over each player's completed matches in the selected window (16 vs 35). ATP, WTA & Challenger.
Ryan Ziegann S.: 1 day rest · 3 matches, 66 games (7d). Higher means fresher. About
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About